AK1542A Datasheet, PDF (24/37 Pages) Asahi Kasei Microsystems – 20 to 600MHz Integer-N Frequency Synthesizer

CPPOLA: Selects positive or negative output polarity for CP1 and CP2.
D14
Function
Remarks
0 Positive
1 Negative
[AK1542A]
High
Positive
Low
Low
Negative
Charge pump output voltage ^High
Fig. 11 Charge Pump Output Polarity
LD: Selects analog or digital for Lock Detect.
D13
Function
Remarks
0 Digital lock detect mode
1 Analog lock detect mode
For detailed functional descriptions, see the section “Lock Detect (LD) Signal” in “8. Block Functional
Description”.
MS1399-E-00
- 24 -
2012/3